From owner-freebsd-fs@FreeBSD.ORG Mon May 17 11:47:57 2010 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D76C5106566C for ; Mon, 17 May 2010 11:47:57 +0000 (UTC) (envelope-from mike.barnardq@gmail.com) Received: from mail-fx0-f54.google.com (mail-fx0-f54.google.com [209.85.161.54]) by mx1.freebsd.org (Postfix) with ESMTP id 656DC8FC23 for ; Mon, 17 May 2010 11:47:57 +0000 (UTC) Received: by fxm19 with SMTP id 19so804957fxm.13 for ; Mon, 17 May 2010 04:47:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:cc:content-type; bh=ln5k55ILcREtUOmn+prcdcdrtcTDSluKnLwbd/JnWuw=; b=MMQ7dVQztQGDfZe1/ixyY7Uz1DUxNIhD94/2vXvUyEk6z5fpgE2eJtoUFTQq0bRVW8 iokf+PqnVaU7sNjUYWS5Yjym+8aCPMITkjLFm8KRELsYSnxO/JyRH4ebAC+g50T9m6Cu 0qfPcU0tADm72RJs2xlzYwduzNEgECOXFcUC0= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=BTvp4/s/zQAtLp1K88WvXmsKkZ1fgAV1ysiqMVMveNdclYoy0x2fJ6ImKOaYGddJ0Z QJAzRs5Zi5zFhFFUX5F9n+j+bRR+iyRQQG/LRGfgETUtYF8y0O7KJQ98kUwNvZsQyTNp bApuHjFeCbAfMLBbwp5LBwHuROtwe3lFub8k4= MIME-Version: 1.0 Received: by 10.223.161.204 with SMTP id s12mr6109456fax.103.1274096876223; Mon, 17 May 2010 04:47:56 -0700 (PDT) Received: by 10.223.105.146 with HTTP; Mon, 17 May 2010 04:47:56 -0700 (PDT) In-Reply-To: References: Date: Mon, 17 May 2010 14:47:56 +0300 Message-ID: From: Mike Barnard To: bf1783@gmail.com Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-fs@freebsd.org Subject: Re: UFS Journaling gone south X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 May 2010 11:47:57 -0000 Hi, On Mon, May 17, 2010 at 1:09 PM, b. f. wrote: > > >It looks like in your setup gjournal interacts badly with glabel. Try > >using the "-h" switch to gjournal. > > that seems to have done something... but when I reboot the server, my journal devices seem to have vanished :-s. I can can get into single usermode and an 'ls /dev' shows my disk partitions but no journal devices. Prior to rebooting, I checked and I did have da0s1f.journal and da0s1g.journal and the da0s2d and da0s2e devices, after the reboot and the panic, I check /dev and the seem to have reverted back to da0s1f and da0s1g... and da0s2d and da0s2e have also gone AWOL... :-w > And since you said in follow-ups to your other post that you were able > to create the data providers anew, and that you had zeroed out the > disk before creating them, then why not use "newfs -r" with an > appropriate number (2 reserved sectors?), in your newfs/gjournal > label -f/tunefs -J sequence, to reduce the chance of overwriting > something important. > > fortunately, this is a new installation on which I want to test journal devices. I'll do this again, reserving some sectors on both partitions. -- Mike Of course, you might discount this possibility, but remember that one in a million chances happen 99% of the time. ------------------------------------------------------------